Mr. Davis has 15 students in his class. He wants to send 3 of his students to pick up books for the class. How many different combinations of students can he choose?

A. 45

B. 2730

C. 455

D. 210

Which of the following equations represents a graph that decreases? A. y=4 (1.5^x) B. y=1.5 (2^x) C. y=3 (2^x) D. y=2 (0.1^x)

My professor showed us in class today how to use ode45 to solve a differential equation numerically. i would like to use it on my homework but i have a second order differential equation and the example i saw in class was only first order.

Find the inverse of y = 2x^2-8

Explain one the relationship between capacity and fluid ounces

Evaluate the expression 2x^2-y^1+3x^0 for x = 3 and y=5

Simplify this expression. m13 * m6 =

What is the Word form of 2.357

Its cost $3.55 to make a sandwich at the local deli shop to make a profit the deli sells it at a price that is 160% of the cost. The sandwich sells for$

What is y+6x=11; 3x+2y=-2?

You and Tom are having a biking race. You can bike 40 meters per minute, and your brother can bike 42 meters per minute. You start 100m in front of the starting line while Tom starts on the starting line.